Sentences with phrase «photoelectron spectroscopy»

Acronyms: XRF = x-ray fluoresencence; RBS = Rutherford Backscattering; XRD = x-ray diffraction; SEM = scanning electron microscopy; AFM = atomic force microcopy; PES = photoelectron spectroscopy, with x-rays (XPS) and ultraviolet (UPS); KP = Kelvin probe measurements, SECM = scanning electrochemical microscopy, PL = photoluminescence; FTIR = Fourier transform infrared spectroscopy

The trapping is confirmed in situ by X-ray photoelectron spectroscopy at modest pressures of only 0.5 mbar (in the presence of X-rays) to trap the Ar atoms.

High - resolution X-ray photoelectron spectroscopy (XPS) spectra for materials that have been characterized to date are made available here as part of JCAP's Materials Characterization Standards (MatChS) database.

The team used temperature - controlled photoelectron spectroscopy in EMSL, the DOE's Environmental Molecular Sciences Laboratory on the PNNL campus, to determine how tightly one cyanide ion and one to three water molecules interact at the very low temperature of -438 °F (12 Kelvin) and again at ambient temperature of 80 °F (equivalent to 300 Kelvin).

Their method uses x-rays, in the form of x-ray photoelectron spectroscopy.

He brings a variety of in situ and ex situ characterization methods to bear on the these materials, including high - resolution x-ray and ultraviolet photoelectron spectroscopy, x-ray diffraction, Rutherford backscattering, scanning transmission electron microscopy, electron energy loss spectroscopy, atom probe tomography and scanning probe microscopy.

One possible solution, which our team has recently demonstrated for III - V photoelectrodes, is to model speciation of interfacial reaction products by coupling ambient - pressure X-ray photoelectron spectroscopy (XPS) experiments to direct simulations of XPS based on model interfaces from ab initio molecular dynamics.

The researchers used high - resolution scanning electron microscopy with energy dispersive x-ray analysis to study microstructure and elemental composition, and high - resolution x-ray photoelectron spectroscopy for more detailed chemical characterization.

Using X-ray photoelectron spectroscopy and Fourier transform infrared imaging, the team found carbonyl groups at the tail ends of the polymer chains.

«We analyzed the structure of the buffer layer by X-ray photoelectron spectroscopy, transmission electron microscopy, and other techniques.

In particular, photoelectron spectroscopy with extreme ultraviolet (XUV) radiation is a powerful method to probe the electron density in a valence shell of a molecular system.

Sample imaged using ARPES: Scientists at PGI - 3 used angle - resolved photoelectron spectroscopy (ARPES) to determine the degree of doping in the graphene samples.

DeVine et al. used photoelectron spectroscopy to discern the quantum mechanical underpinnings of this 1,2 shift in a prototypical case: conversion of vinylidene (H2CC) to acetylene (HCCH).

Meanwhile, Franklin Tao, Luan Nguyen and Xiaoyan Zhang of the University of Kansas used ambient pressure X-ray photoelectron spectroscopy to characterize the oxidation state of cerium oxide, which was critical to deriving the mechanism.

Not exact matches

This achievement, reported in a paper published today in Nature Communications, will enable scientists to use traditional surface - science tools — such as x-ray photoelectron and infrared reflection absorption spectroscopy — to perform detailed studies of single gas atoms in confinement.